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News
Lou Upgrade Completed Ahead of Schedule
12 Mar, 2019
The Lou upgrade is complete, and the system is available. As a reminder, the Lou front-end systems lfe[1-4] were replaced with lfe[5-8]. Please update your scripts accordingly. Also, if your remote site has exceptions in its firewalls for the IP...
Merope Dedicated Time Scheduled for March 7
06 Mar, 2019
Merope will be placed in dedicated time for system testing on Thursday, March 7, from 10:00 a.m. – 7:00 p.m. (Pacific Time). Merope will be unavailable during the dedicated time. If you have any questions or concerns, please contact the Control...
Reminder: Dedicated Time for Pleiades /nobackupp8 Scheduled for March 5
04 Mar, 2019
The /nobackupp8 (nbp8) system will be place in dedicated time for software patching on Tuesday, March 5, 2019 from 10:00 a.m. to 11:00 a.m. Pacific Time. The system will not be available during this time, and scheduling will be turned off so that...
Dedicated Time on PFES, LFEs Scheduled for February 27 and 28
22 Feb, 2019
The Pleiades and Lou front-end systems (PFEs and LFEs) will be placed in dedicated time for software updates, according to the following schedule: Weds. Feb. 27, 12:00-7:00 p.m. (PT): pfe20, pfe21, pfe22, pfe23, lfe1, and lfe3 Thurs. Feb. 28,...
Mid-Year SMD Modification and New Allocation Requests Due Feb. 14
11 Feb, 2019
The deadline for modification and new allocation requests for NASA Science Mission Directorate (SMD)-supported projects for mid-year (April 1, 2019) is Thursday, February 14. If you are a principal investigator (PI) and your project is currently...
Workarounds for PBS Job Failures Due to MPT Timeouts
31 Jan, 2019
Recently, there has been an increase in PBS jobs failures due to MPT timeout problems at startup. If this happens to your PBS job, you will typically see several error messages similar to the following: MPT: xmpi_net_accept_timeo/accept() timeout...
Dedicated Time for Lou Completed
31 Jan, 2019
The dedicated time was completed and Lou is available. Previous Notification The Lou mass storage system will be placed in dedicated time for software patching from 1:00 to 7:00 p.m. (Pacific Time) on Wednesday, January 30. The Lou front-end...
Update: NAS Systems Are Available
15 Jan, 2019
Effective immediately, based on direction received from NASA's legal team, we are opening up access to all NAS systems as follows: For excepted activities Activity can continue as long as there is a documented determination that the activity is...
Dedicated Time for /nobackupp8 Completed
13 Dec, 2018
The dedicated time for the /nobackupp8 filesystem has completed. Previous notification The Lustre filesystem /nobackupp8 will be placed in dedicated time for software and hardware patching from 11:00 a.m. to 5:00 p.m. (Pacific Time) on...
New PBS Feature: Reserving Skylake Nodes for "At-Scale" (Wide) Jobs
06 Dec, 2018
A new PBS queue, called sky_wide, is now available to help you run very wide (at-scale) jobs on Electra's Skylake nodes by ensuring that at least once a week, the jobs in the queue will have enough available nodes to run. Each week, jobs...
NASA Brings its Science and Supercomputing Advances to SC18
05 Nov, 2018
Some of NASA's most exciting achievements enabled by the agency's supercomputers are being showcased at the international Supercomputing Conference (SC18), scheduled Nov. 12–16, 2018 in Dallas, Texas. This year marks the 30th anniversary of the...
Shift File Transfer Failures
01 Nov, 2018
At approximately 12:43 a.m. Pacific Time on November 1, 2018, the drive holding metadata for Shift file transfers failed. At 9:55 a.m., new metadata was redirected to a different drive. If you have used Shift to transfer data recently, please note:...
Lou is Now Available
31 Oct, 2018
The issue described in the previous notification has been resolved, and Lou is online and available. We do not believe there is any data loss resulting from this problem. However, if your Lou home filesystem is one of the following, and you...
Dedicated Time for All HECC Systems Has Completed
30 Oct, 2018
Dedicated time for all systems, networks, and filesystems in the HECC enclave has been completed. All HECC systems are now available. As always, if you have questions, please contact the Control Room at (800) 331-8737, (650) 604-4444, or...
Upgrade to Shift Automated Transfer Components
22 Oct, 2018
During the dedicated time for all HECC systems (scheduled for October 26-29), the Shift transfer tool will be upgraded with several enhancements, which are listed below. The upgraded Shift tool will be available when the systems come back online...
Reminder: Electra Dedicated Time Scheduled for October 17-29
16 Oct, 2018
Electra will be placed into dedicated time beginning Wednesday, October 17 at 7:00 a.m., and continuing through the HECC enclave outage, which is scheduled to end Monday, October 29 at 11:59 p.m. (Pacific Time). The Electra dedicated time is...
Dedicated Time on PFEs, LFEs Scheduled for October 10 and 11
09 Oct, 2018
The Pleiades and Lou front-end systems (PFEs and LFEs) will be placed in dedicated time for software patching, according to the following schedule: Wed. Oct. 10, noon-2:00 p.m. (PT): pfe20, pfe21, pfe22, pfe23, lfe1, and lfe3 Thur. Oct. 11,...
Reminder: SLES 11 Software Packages in /nasa Directory Will Be Removed on Oct. 6
03 Oct, 2018
All HECC systems at the NAS facility have been upgraded to SUSE Linux Enterprise Server 12 (SLES 12), and the SLES 11 software is scheduled for removal on Saturday, October 6. This affects all software that is available through...
New Standard Billing Unit (SBU) Rates Effective October 1
30 Sep, 2018
Starting October 1, 2018, a new common Standard Billing Unit (SBU) is being used for allocating and tracking computing time usage at both the NASA Advanced Supercomputing (NAS) Facility and the NASA Center for Climate Simulation (NCCS). Impact to...
Update: Significant Problems on /nobackupp2 Resolved
27 Sep, 2018
The /nobackupp2 filesystem has returned to its expected operation and performance. A configuration change in our InfiniBand network resolved the issue. Unfortunately in the process of troubleshooting the issue, a number of PBS jobs were...
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